Make Zin dislike when the player takes an action that makes an already

existing mutagenic glow stronger (piety loss, no penalty). At the same time go easier on the "eat souled being" misbehaviour: increased piety loss, but give penance only for eating very intelligent monsters, so that eating goblins and the like is an option again. (Cannibalism is checked first, and has worse effects.)

Also fix restriction for items offered for ?recharging.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3789 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on March 21, 2008
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